Classification
340 - Law
2,556
345 - Criminal law
340
330 - Economics
230
320 - Political science
129
341 - Law of nations
119
347 - Civil procedure & courts
112
364 - Criminology
98
343 - Military, tax, trade & industrial law
68
300 - Social sciences
64
344 - Labor, social, education & cultural law
64
519 - Probabilities & applied mathematics
60
658 - General management
60
616 - Diseases
48
333 - Economics of land & energy
47
500 - Natural sciences & mathematics
44
620 - Engineering & allied operations
44
342 - Constitutional & administrative law
43
346 - Private law
42
005 - Computer programming, programs & data
40
150 - Psychology
36
700 - The arts; fine & decorative arts
36
363 - Other social problems & services
35
900 - History & geography
34
610 - Medicine & health
33
331 - Labor economics
32
006 - Special computer methods
31
140 - Specific philosophical schools
27
338 - Production
27
621 - Applied physics
27
003 - Systems
22
304 - Factors affecting social behavior
21
614 - Incidence & prevention of disease
19
380 - Commerce, communications & transportation
18
617 - Surgery & related medical specialties
18
332 - Financial economics
17
530 - Physics
17
301 - Sociology & anthropology
15
515 - Analysis
15
170 - Ethics
13
600 - Technology
13
624 - Civil engineering
13
302 - Social interaction
11
384 - Communications; telecommunication
11
501 - Philosophy & theory
11
650 - Management & auxiliary services
11
004 - Data processing & computer science
10
510 - Mathematics
10
100 - Philosophy & psychology
9
410 - Linguistics
9
543 - Analytical chemistry
9
more ...